Home / 21,004.34-31,506.39-6,213.33

Finding the Fourth Proportional to 21,004.34, 31,506.39 and 6,213.33

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Solution

The fourth proportional to 21,004.34, 31,506.39 and 6,213.33 is: 9,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004.34 : 31,506.39 = 6,213.33 : x
  2. Step 2: Convert to fraction form
    21,004.34/31,506.39 = 6,213.33/x
  3. Step 3: Cross multiply
    21,004.34x = 31,506.39 × 6,213.33
  4. Step 4: Simplify right side
    21,004.34x = 195,759,598.18
  5. Step 5: Solve for x
    x = 195,759,598.18/21,004.34
  6. Step 6: Final answer
    x = 9,319.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.